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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
opened the classroom
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "opened the classroom" is correct and usable in written English.
You can use it when describing the action of making a classroom accessible, typically by unlocking or physically opening the door. Example: "The teacher arrived early to prepare for the lesson and opened the classroom for the students."
✓ Grammatically correct
News & Media
Alternative expressions(20)
entered the lecture
entered the studio
entered the student
opened the throttle
made their way into the classroom
entered the courtroom
stepped into the classroom
attended the classroom
entered the hall
entered the classroom
entered the pupil
entered the teaching
entered the chamber
entered the auditorium
walked into the classroom
entered the schoolhouse
entered the school
gained entrance to the classroom
came into the classroom
entered the lab
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
4 human-written examples
He opened the classroom door.
News & Media
Eventually, there was nursery school, where he wet his pants whenever his teacher opened the classroom door.
News & Media
Last November, SK opened the "classroom of possibilities" at a special needs school in Seoul, with the aim of creating new learning tools for children with developmental disabilities who do not respond to traditional curricula.
News & Media
Angry and flustered, Luda had had to run all the way to the college, pushing through the rush-hour subway crowd, cutting through the meat market on Nostrand Avenue, and having the following exchange with a large woman in a pink jacket: WOMAN: "Watch it, asshole!" LUDA: "No, it is you asshole!" By the time Luda opened the classroom door, the students had already started their introductions.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
It was a bit difficult – some schools opened the classrooms and playgrounds [to me], some were very strict".
News & Media
I didn't hear Maria Petrovna open the classroom door.
News & Media
But others urged the board to open the classroom to religious points of view.
News & Media
*** "Ready, Freddy?" Terry Hulmes, 64, turns, gives me barely a second to nod, opens the classroom door and ushers me in.
News & Media
She gets up early in the morning, and opens the classroom windows to let in the fresh mountain air.
News & Media
In what was meant to be an audacious display of openness to break the impasse with student strikers who have shut down the national university here for nine months, Juan Ramon de la Fuente, the university president, marched to the campus today to appeal to student rebels to re-open the classrooms.
News & Media
Early every weekday, and even on some Saturdays, Agnes, a BRAC ECD caregiver, opens the small classroom, sweeps it clean and organizes the children's activity items before they arrive.
News & Media
Expert writing Tips
Best practice
When describing a routine action, use "opened the classroom" to indicate the start of a school day or activity.
Common error
Avoid using the passive voice unnecessarily (e.g., "the classroom was opened") when the active voice ("[Subject] opened the classroom") is clearer and more direct.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "opened the classroom" primarily functions as a verb phrase, where 'opened' is the verb indicating an action performed on the noun phrase 'the classroom'. Ludwig's analysis confirms its grammatical correctness and common usage.
Frequent in
News & Media
75%
Science
10%
Formal & Business
5%
Less common in
Wiki
5%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "opened the classroom" is a grammatically sound and commonly used expression, primarily found in news and media contexts. It typically describes the action of making a classroom accessible, often marking the start of a school day or specific activity. As indicated by Ludwig, the phrase is considered correct and usable in written English. While alternatives like "unlocked the classroom" or "entered the classroom" exist, "opened the classroom" remains a direct and widely understood way to convey this action.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
unlocked the classroom
Focuses on the method of access rather than the action itself.
entered the classroom
Highlights the result of opening, which is gaining entry.
gained access to the classroom
Emphasizes the achievement of being able to enter.
made the classroom accessible
Shifts focus to the state of the classroom after being opened.
provided entry to the classroom
Formal way of describing access being granted.
gave access to the classroom
Similar to 'provided entry' but slightly less formal.
allowed entrance to the classroom
Highlights permission being given to enter.
availed the classroom
More formal and less common way to say made available.
made the classroom available
Focuses on the classroom being ready for use.
prepared the classroom
Implies opening as part of a broader preparation process.
FAQs
What can I say instead of "opened the classroom"?
You can use alternatives like "unlocked the classroom", "entered the classroom", or "gained access to the classroom" depending on the context.
Is "opened the classroom" grammatically correct?
Yes, "opened the classroom" is grammatically correct. It follows the standard subject-verb-object structure.
When is it appropriate to use the phrase "opened the classroom"?
It's appropriate when describing the action of making a classroom accessible, typically by unlocking or physically opening the door for students or activities.
What's the difference between "opened the classroom" and "entered the classroom"?
"Opened the classroom" refers to the act of making the classroom accessible, while "entered the classroom" describes the action of going inside. One precedes the other.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested